Home / 757,103.76-1,044,801.18-434,834.73

Finding the Fourth Proportional to 757,103.76, 1,044,801.18 and 434,834.73

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Solution

The fourth proportional to 757,103.76, 1,044,801.18 and 434,834.73 is: 600,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,103.76 : 1,044,801.18 = 434,834.73 : x
  2. Step 2: Convert to fraction form
    757,103.76/1,044,801.18 = 434,834.73/x
  3. Step 3: Cross multiply
    757,103.76x = 1,044,801.18 × 434,834.73
  4. Step 4: Simplify right side
    757,103.76x = 454,315,839,008.98
  5. Step 5: Solve for x
    x = 454,315,839,008.98/757,103.76
  6. Step 6: Final answer
    x = 600,070.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.